C1111133313331323223313331333133313331323131232313232112323131231   >>    C111113331333132322331333133313331333132313123231323211232313123   <<    C1111133313331323223313331333133313331323131232313232112323131233   >>      C1111133313331323223313331333133313331323131232313232112323131232   >>